/* 湖南缤果软件 - 企业宣传站统一样式 */

:root {
    --primary: #4CAF50;
    --primary-light: #66BB6A;
    --primary-dark: #388E3C;
    --accent: #FF9800;
    --accent-light: #FFB74D;
    --accent-dark: #F57C00;
    --dark: #111827;
    --dark-2: #1F2937;
    --gray-800: #374151;
    --gray-700: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow: 0 4px 12px -2px rgba(0,0,0,0.08), 0 4px 8px -4px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 40px -10px rgba(0,0,0,0.15), 0 10px 20px -10px rgba(0,0,0,0.08);
    --shadow-xl: 0 30px 60px -15px rgba(0,0,0,0.2);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --gradient-soft: linear-gradient(135deg, rgba(76,175,80,0.08) 0%, rgba(255,152,0,0.08) 100%);
    --transition: all .3s cubic-bezier(.4,0,.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    overflow-x: hidden;
    max-width: 100%;
}

body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans CN', 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', sans-serif;
    line-height: 1.65;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { display: block; max-width: 100%; height: auto; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========= 导航栏 ========= */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(255,255,255,.92);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid rgba(0,0,0,.04);
    z-index: 1000;
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(255,255,255,.98);
    box-shadow: var(--shadow);
}
.nav-container {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}
.logo a { display: flex; align-items: center; gap: 8px; }
.logo img { height: 38px; }
.logo-text {
    font-weight: 700; font-size: 17px; color: var(--dark);
    letter-spacing: .5px;
}

.nav-links {
    display: flex; gap: 36px; align-items: center;
}
.nav-link {
    position: relative;
    font-size: 15px; font-weight: 500;
    color: var(--gray-800);
    padding: 6px 0;
}
.nav-link::after {
    content: ''; position: absolute; left: 0; bottom: -4px;
    width: 0; height: 2px;
    background: var(--gradient);
    transition: width .3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-cta {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 22px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 999px;
    font-weight: 600; font-size: 14px;
    box-shadow: 0 6px 18px -6px rgba(76,175,80,.6);
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px -8px rgba(76,175,80,.65);
    color: var(--white);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column; justify-content: space-between;
    width: 28px; height: 22px;
    background: none; border: none; cursor: pointer; padding: 0;
}
.hamburger span {
    display: block; width: 100%; height: 2.5px;
    background: var(--gray-800);
    border-radius: 3px;
    transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(9.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-9.5px) rotate(-45deg); }

/* 移动端导航 */
.mobile-nav {
    position: fixed; top: 72px; left: 0; right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    max-height: 0; overflow: hidden;
    transition: max-height .35s ease;
    z-index: 999;
}
.mobile-nav.active { max-height: 80vh; }
.mobile-nav-inner { padding: 20px 24px 28px; }
.mobile-nav-link {
    display: block; padding: 14px 16px;
    color: var(--gray-800); font-weight: 500;
    border-radius: 10px;
    transition: var(--transition);
}
.mobile-nav-link:hover, .mobile-nav-link.active {
    background: var(--gray-100); color: var(--primary);
}
.mobile-nav-cta {
    display: block; text-align: center;
    margin-top: 16px; padding: 14px;
    background: var(--gradient); color: var(--white);
    border-radius: 10px; font-weight: 600;
}

/* ========= 按钮 ========= */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600; font-size: 15px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 8px 20px -6px rgba(76,175,80,.5);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -8px rgba(76,175,80,.55);
    color: var(--white);
}
.btn-outline {
    background: transparent;
    border-color: var(--gray-300);
    color: var(--gray-800);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(76,175,80,.05);
    transform: translateY(-2px);
}
.btn-accent {
    background: var(--accent); color: var(--white);
    box-shadow: 0 8px 20px -6px rgba(255,152,0,.5);
}
.btn-accent:hover {
    background: var(--accent-dark); color: var(--white);
    transform: translateY(-2px);
}
.btn-ghost {
    background: rgba(255,255,255,.1);
    color: var(--white);
    border-color: rgba(255,255,255,.3);
}
.btn-ghost:hover {
    background: rgba(255,255,255,.2);
    color: var(--white);
}

/* ========= 通用 Section ========= */
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }
.section-gray { background: var(--gray-50); }
.section-dark { background: var(--dark); color: var(--white); }

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}
.section-eyebrow {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(76,175,80,.08);
    color: var(--primary-dark);
    border-radius: 999px;
    font-size: 13px; font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.section-title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.25;
    color: var(--dark);
    margin-bottom: 16px;
}
.section-title .accent {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-subtitle {
    font-size: 17px;
    color: var(--gray-700);
    line-height: 1.75;
}

/* ========= 英雄区 ========= */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background: radial-gradient(80% 60% at 80% 0%, rgba(255,152,0,.10) 0%, transparent 60%),
                radial-gradient(70% 50% at 0% 30%, rgba(76,175,80,.12) 0%, transparent 60%),
                linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 60px;
    align-items: center;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 999px;
    font-size: 13px; color: var(--gray-700);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}
.hero-badge .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 3px rgba(76,175,80,.2);
}
.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--dark);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}
.hero-title .accent {
    background: var(--gradient);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-desc {
    font-size: 18px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 540px;
}
.hero-actions {
    display: flex; gap: 14px; flex-wrap: wrap;
    margin-bottom: 40px;
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-200);
    max-width: 520px;
}
.hero-stat-num {
    font-size: 32px; font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}
.hero-stat-label {
    font-size: 13px; color: var(--gray-600);
    margin-top: 4px;
}

/* Hero 可视化 */
.hero-visual {
    position: relative;
    height: 460px;
}
.hero-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 20px 24px;
    border: 1px solid var(--gray-100);
}
.hero-card-main {
    inset: 40px 0 40px 30px;
    padding: 28px;
    background: linear-gradient(160deg, var(--white) 0%, #f8fafc 100%);
}
.hero-card-main .hc-title { font-weight: 700; font-size: 16px; color: var(--dark); margin-bottom: 4px; }
.hero-card-main .hc-sub { font-size: 13px; color: var(--gray-500); margin-bottom: 22px; }
.chart-bars { display: flex; align-items: flex-end; gap: 10px; height: 130px; margin-bottom: 14px; }
.chart-bars div {
    flex: 1;
    background: linear-gradient(180deg, var(--primary-light), var(--primary));
    border-radius: 6px 6px 0 0;
    opacity: .9;
}
.chart-bars div:nth-child(2) { background: linear-gradient(180deg, var(--accent-light), var(--accent)); }
.chart-bars div:nth-child(4) { background: linear-gradient(180deg, var(--accent-light), var(--accent)); }
.metric-row { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px dashed var(--gray-200); font-size: 13px; }
.metric-row span:last-child { color: var(--primary); font-weight: 600; }

.hero-card-float {
    width: 220px;
    top: 30px; right: -10px;
    padding: 16px 18px;
    animation: floatY 4s ease-in-out infinite;
}
.hero-card-float-2 {
    width: 240px;
    bottom: 0; left: -20px;
    animation: floatY 5s ease-in-out infinite reverse;
}
.hcf-icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--gradient-soft);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; margin-bottom: 10px;
}
.hcf-title { font-weight: 700; font-size: 14px; color: var(--dark); }
.hcf-desc { font-size: 12px; color: var(--gray-500); margin-top: 2px; }

@keyframes floatY {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* ========= 通用页面头 ========= */
.page-head {
    padding: 140px 0 80px;
    background: radial-gradient(60% 50% at 50% 0%, rgba(76,175,80,.10) 0%, transparent 70%),
                linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    text-align: center;
}
.page-head .section-eyebrow { margin-bottom: 12px; }
.page-title {
    font-size: 48px; font-weight: 800; line-height: 1.2;
    color: var(--dark); margin-bottom: 16px;
}
.page-title .accent {
    background: var(--gradient);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.page-subtitle {
    font-size: 18px; color: var(--gray-700); max-width: 720px;
    margin: 0 auto;
}
.breadcrumb {
    margin-top: 24px;
    font-size: 14px; color: var(--gray-500);
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; }

/* ========= 卡片 ========= */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.card-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--gradient-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}
.card-title {
    font-size: 20px; font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}
.card-desc {
    color: var(--gray-700);
    line-height: 1.7;
    font-size: 14.5px;
}

/* Grid 通用 */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ========= 产品卡 ========= */
.product-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex; flex-direction: column;
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.product-card-head {
    padding: 28px;
    background: var(--gradient-soft);
    border-bottom: 1px solid var(--gray-100);
    display: flex; align-items: center; gap: 16px;
}
.product-card-head .icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    box-shadow: var(--shadow);
}
.product-card-head h3 {
    font-size: 20px; font-weight: 700; color: var(--dark);
}
.product-card-head p {
    font-size: 13px; color: var(--gray-500); margin-top: 2px;
}
.product-card-body { padding: 24px 28px; flex: 1; }
.product-card-body .desc {
    color: var(--gray-700); line-height: 1.7;
    font-size: 14.5px; margin-bottom: 16px;
}
.feature-list { list-style: none; }
.feature-list li {
    position: relative;
    padding: 6px 0 6px 26px;
    color: var(--gray-800);
    font-size: 14px;
}
.feature-list li::before {
    content: '';
    position: absolute; left: 0; top: 12px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: rgba(76,175,80,.15) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='%234CAF50' d='M6.5 10.5 4 8l-1 1 3.5 3.5L13 6l-1-1z'/></svg>") no-repeat center / 12px;
}
.product-card-foot {
    padding: 0 28px 24px;
}
.product-link {
    display: inline-flex; align-items: center; gap: 4px;
    color: var(--primary); font-weight: 600; font-size: 14px;
}
.product-link:hover { gap: 8px; color: var(--primary-dark); }

/* ========= 价值 / 优势 ========= */
.feature-item {
    text-align: center;
    padding: 28px 20px;
}
.feature-item .icon {
    width: 64px; height: 64px;
    border-radius: 16px;
    margin: 0 auto 20px;
    background: var(--gradient);
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    box-shadow: 0 14px 28px -10px rgba(76,175,80,.5);
}
.feature-item h3 {
    font-size: 18px; font-weight: 700; margin-bottom: 8px;
}
.feature-item p {
    color: var(--gray-600); font-size: 14.5px; line-height: 1.7;
}

/* ========= 案例卡 ========= */
.case-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex; flex-direction: column;
}
.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.case-card-image {
    height: 180px;
    background: var(--gradient);
    display: flex; align-items: center; justify-content: center;
    font-size: 56px; color: var(--white);
    position: relative;
}
.case-card-image::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.25), transparent 60%);
}
.case-card-body { padding: 24px 28px; flex: 1; display: flex; flex-direction: column; }
.case-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--gray-100);
    color: var(--gray-700);
    font-size: 12px; font-weight: 600;
    border-radius: 6px;
    margin-bottom: 12px;
    align-self: flex-start;
}
.case-card-title {
    font-size: 18px; font-weight: 700; color: var(--dark);
    margin-bottom: 10px; line-height: 1.4;
}
.case-card-desc {
    color: var(--gray-700); font-size: 14.5px;
    line-height: 1.7; margin-bottom: 16px; flex: 1;
}
.case-result {
    margin-top: 12px;
    padding: 14px 16px;
    background: var(--gradient-soft);
    border-radius: 10px;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 13.5px;
}

/* ========= 行业方案 Pills ========= */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
}
.industry-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}
.industry-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}
.industry-item .emoji {
    font-size: 36px; margin-bottom: 12px;
    display: block;
}
.industry-item h4 {
    font-size: 15px; font-weight: 700; margin-bottom: 6px;
}
.industry-item p {
    font-size: 12.5px; color: var(--gray-500);
}

/* ========= 时间线 ========= */
.timeline {
    position: relative;
    padding-left: 32px;
}
.timeline::before {
    content: '';
    position: absolute; left: 8px; top: 8px; bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
}
.timeline-item {
    position: relative;
    padding-bottom: 32px;
}
.timeline-item::before {
    content: '';
    position: absolute; left: -30px; top: 6px;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--primary);
}
.timeline-year {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gradient-soft);
    color: var(--primary-dark);
    border-radius: 999px;
    font-size: 13px; font-weight: 700;
    margin-bottom: 8px;
}
.timeline-title { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.timeline-desc { color: var(--gray-700); font-size: 14.5px; line-height: 1.7; }

/* ========= 新闻列表 ========= */
.news-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex; flex-direction: column;
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}
.news-card-image {
    height: 180px;
    background: var(--gradient-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 48px;
    color: var(--primary);
    border-bottom: 1px solid var(--gray-100);
}
.news-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.news-meta {
    display: flex; gap: 14px; align-items: center;
    font-size: 12.5px; color: var(--gray-500);
    margin-bottom: 12px;
}
.news-meta .news-cat {
    padding: 3px 10px;
    background: rgba(76,175,80,.1);
    color: var(--primary-dark);
    border-radius: 6px;
    font-weight: 600;
}
.news-card h3 {
    font-size: 17px; font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    line-height: 1.5;
}
.news-card p {
    color: var(--gray-700); font-size: 14px;
    line-height: 1.7; flex: 1;
}
.news-card .read-more {
    display: inline-flex; align-items: center; gap: 4px;
    margin-top: 16px;
    color: var(--primary); font-weight: 600; font-size: 13.5px;
}
.news-card .read-more:hover { gap: 8px; }

/* ========= 联系表单 ========= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}
.contact-info { display: grid; gap: 28px; }
.contact-info-item {
    display: flex; gap: 16px;
    padding: 22px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
}
.contact-info-item .icon {
    flex-shrink: 0;
    width: 48px; height: 48px;
    border-radius: 12px;
    background: var(--gradient-soft);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
}
.contact-info-item h4 {
    font-size: 15px; font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}
.contact-info-item p {
    color: var(--gray-700); font-size: 14.5px; line-height: 1.6;
}

.contact-form {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 18px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 13.5px; font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    color: var(--dark);
    background: var(--white);
    transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(76,175,80,.1);
}
.form-group textarea { resize: vertical; min-height: 110px; }

/* ========= CTA 区块 ========= */
.cta-band {
    position: relative;
    padding: 80px 0;
    background: var(--gradient);
    color: var(--white);
    overflow: hidden;
}
.cta-band::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 20% 30%, rgba(255,255,255,.2), transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(255,255,255,.15), transparent 50%);
}
.cta-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}
.cta-content h2 {
    font-size: 36px; font-weight: 800;
    margin-bottom: 14px;
    line-height: 1.25;
}
.cta-content p {
    font-size: 17px;
    opacity: .95;
    margin-bottom: 28px;
    line-height: 1.7;
}
.cta-actions {
    display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}
.cta-band .btn-primary {
    background: var(--white);
    color: var(--primary-dark);
    box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.cta-band .btn-primary:hover {
    background: var(--gray-50);
    color: var(--primary-dark);
}

/* ========= 合作伙伴/Logo云 ========= */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 24px;
    align-items: center;
}
.partner-cell {
    height: 90px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    color: var(--gray-500);
    font-weight: 600;
    transition: var(--transition);
    font-size: 14px;
    padding: 0 16px; text-align: center;
}
.partner-cell:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

/* ========= FAQ ========= */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item.open { border-color: var(--primary); box-shadow: var(--shadow); }
.faq-q {
    padding: 20px 24px;
    font-weight: 600; font-size: 16px;
    color: var(--dark);
    cursor: pointer;
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px;
}
.faq-q .toggle {
    flex-shrink: 0;
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--gray-100);
    color: var(--gray-700);
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
    font-size: 16px;
}
.faq-item.open .faq-q .toggle {
    background: var(--gradient);
    color: var(--white);
    transform: rotate(45deg);
}
.faq-a {
    max-height: 0; overflow: hidden;
    transition: max-height .35s ease;
    color: var(--gray-700);
    line-height: 1.75;
    font-size: 15px;
}
.faq-item.open .faq-a {
    max-height: 400px;
}
.faq-a-inner { padding: 0 24px 22px; }

/* ========= 页脚 ========= */
.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 70px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}
.footer-brand img {
    height: 40px;
    filter: brightness(0) invert(1);
    margin-bottom: 20px;
}
.footer-brand p {
    line-height: 1.75;
    font-size: 14.5px;
    margin-bottom: 20px;
    color: var(--gray-400);
}
.footer-social {
    display: flex; gap: 10px;
}
.footer-social a {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,.05);
    color: var(--gray-400);
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
    font-size: 16px;
}
.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}
.footer-col h4 {
    color: var(--white);
    font-size: 15px; font-weight: 700;
    margin-bottom: 20px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: var(--gray-400); font-size: 14px; }
.footer-links a:hover { color: var(--white); }
.footer-contact-row {
    display: flex; align-items: flex-start; gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.6;
}
.footer-contact-row .ico { color: var(--primary); margin-top: 3px; flex-shrink: 0; }

.copyright {
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,.08);
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
    font-size: 13px;
}
.copyright a:hover { color: var(--white); }

/* ========= 动画 ========= */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-up { opacity: 0; }
.fade-up.in {
    animation: fadeInUp .7s cubic-bezier(.2,.7,.2,1) forwards;
}
.fade-up.in.d1 { animation-delay: .1s; }
.fade-up.in.d2 { animation-delay: .2s; }
.fade-up.in.d3 { animation-delay: .3s; }
.fade-up.in.d4 { animation-delay: .4s; }
.fade-up.in.d5 { animation-delay: .5s; }

/* ========= 浮动咨询按钮 ========= */
.float-actions {
    position: fixed; right: 22px; bottom: 22px;
    z-index: 990;
    display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--gradient);
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    cursor: pointer; border: none;
    box-shadow: 0 12px 30px -8px rgba(76,175,80,.55);
    transition: var(--transition);
}
.float-btn:hover { transform: translateY(-3px) scale(1.05); }
.float-btn.up {
    background: var(--white);
    color: var(--primary);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
}
.float-btn.up.show { display: flex; }
.float-btn.up { display: none; }

/* ========= 响应式 ========= */
@media (max-width: 1024px) {
    .section { padding: 80px 0; }
    .section-title { font-size: 34px; }
    .hero { padding: 130px 0 80px; }
    .hero-title { font-size: 44px; }
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { height: 380px; max-width: 520px; margin: 0 auto; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-brand { grid-column: span 3; }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: flex; }
    .section { padding: 64px 0; }
    .section-head { margin-bottom: 40px; }
    .section-title { font-size: 28px; }
    .section-subtitle { font-size: 15.5px; }
    .hero { padding: 110px 0 64px; }
    .hero-title { font-size: 36px; }
    .hero-desc { font-size: 16px; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; padding-top: 24px; }
    .hero-stat-num { font-size: 24px; }
    .hero-visual { height: 340px; }
    .hero-card-main { inset: 30px 10px 30px 10px; padding: 20px; }
    .hero-card-float { width: 180px; right: -10px; top: 10px; }
    .hero-card-float-2 { width: 200px; left: -10px; bottom: -10px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .page-head { padding: 110px 0 60px; }
    .page-title { font-size: 32px; }
    .page-subtitle { font-size: 15.5px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-brand { grid-column: auto; }
    .copyright { justify-content: center; text-align: center; }
    .cta-content h2 { font-size: 26px; }
    .cta-content p { font-size: 15px; }
    .card { padding: 24px; }
    .container { padding: 0 18px; }
    body.menu-open { overflow: hidden; }
    .float-actions { right: 16px; bottom: 16px; }
    .float-btn { width: 48px; height: 48px; font-size: 20px; }
    /* iOS 防缩放 */
    input, select, textarea { font-size: 16px; }
    .btn { min-height: 46px; padding: 12px 22px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 28px; }
    .section-title { font-size: 24px; }
    .page-title { font-size: 26px; }
    .container { padding: 0 14px; }
    .hero-actions .btn { width: 100%; }
    .cta-actions .btn { width: 100%; max-width: 320px; }
    .hero-stats { gap: 8px; }
    .hero-stat-num { font-size: 22px; }
    .hero-stat-label { font-size: 12px; }
    .contact-form { padding: 24px; }
    .footer { padding: 50px 0 20px; }
}